AGCO Allis 9815
Built: 1994–1998 · Series: 9800 er- Serie
More machines from model year 1994
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AGCO Allis 9815 (9800 series) – the Allis-Chalmers legacy inside the AGCO group: Detroit Diesel six-cylinder of 8,705 cm³, 218 hp/160.3 kW, 989 Nm and 8,894 kg unladen weight, 1994–1998
AGCO Allis carried on in the 1990s the farm-equipment line that had once been part of Allis-Chalmers, one of the major American tractor makers, which passed via the Deutz-Allis joint venture of the 1980s to the newly founded AGCO group. The 9800 series occupied the brand's upper power segment for large row-crop tractors in North America during this transitional period.
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The 9815 is powered by a Detroit Diesel six-cylinder engine of 8,705 cm³ displacement, delivering 218 hp or 160.3 kW and 989 Nm of torque at 2,200 rpm, making it one of the most powerful tractors of its time. At 8,894 kg unladen weight, 5,080 mm length, 2,489 mm width and 3,073 mm height on a 2,921 mm wheelbase, it is a heavy, water-cooled tractor for large arable operations, whose design top speed of 40 km/h calls for the German T licence class.
A Detroit Diesel engine in a farm tractor is unusual, since that engine family was otherwise found mainly in trucks and construction machinery; it shows how the AGCO Allis ranges of this period drew on engines from the wider corporate group rather than a dedicated agricultural unit. Tractors of this weight class typically carry three-point linkage in the upper ISO 730 categories, along with a PTO at the standard 1,000 rpm speed needed for the heavy implements a tractor of this power class pulls.
When buying used, the condition of the Detroit Diesel engine matters most, since servicing and parts for this unit do not run through the usual Massey Ferguson or AGCO parts trade but through workshops specialising in commercial-vehicle engines. Transmission, drivetrain and hydraulic pumps also deserve close inspection for wear, since the high output in continuous use on large areas means correspondingly high operating hours.
Sources: SpecCodex-Register: Kennwerte des Modells AGCO Allis 9815
Technical data
Engine
| Engine make | Detroit Dieselcorrect |
|---|---|
| Fuel | dieselcorrect |
| Power | 218 hp (160.3 kW)correct |
| Rated speed | 2,200 rpmcorrect |
| Torque | 989 Nmcorrect |
| Speed at max. torque | 1,500 rpmcorrect |
| Cylinders | 6correct |
| Displacement | 8,705 cm³correct |
| Bore | 116.59 mmcorrect |
| Stroke | 135.89 mmcorrect |
| Compression ratio | 15.8correct |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 5,080 mmcorrect |
|---|---|
| Width | 2,489 mmcorrect |
| Height | 3,073 mmcorrect |
| Wheelbase | 2,921 mmcorrect |
| Ground clearance | 572 mmcorrect |
| Unladen weight | 8,894 kgcorrect |
Drivetrain and chassis
| Drive | four-wheel drivecorrect |
|---|---|
| Gearbox | 18 V/9 Rcorrect |
| Forward gears | 18correct |
| Reverse gears | 9correct |
| Front tyres | 16.9 R 28 AScorrect |
| Rear tyres | 20.8 R 38 AScorrect |
| Top speed | 40 km/hcorrect |
Working data
| Fuel tank capacity | 344 lcorrect |
|---|
Origin and approval
| Plant | USAcorrect |
|---|---|
| Construction | unit construction (no separate frame)correct |
Other data
| Linkage category | Cat II/III/IIINcorrect |
|---|
Where this model stands
Power-to-weight ratio: 18 kW/t (160 kW / 8.9 t)
Power class: Heavy (> 180 hp)
Stronger than 93% of the tractors in the register — out of 15,663 models with a stated power figure.
Calculated from the documented figures above — not a rating.
Frequently asked questions
How much power does the AGCO Allis 9815 have?
The AGCO Allis 9815 delivers 218 hp.
How much does the AGCO Allis 9815 weigh?
The unladen weight is 8,894 kg.
What engine does the AGCO Allis 9815 have?
6 cylinders, 8,705 cm³ displacement, Diesel.
How fast does the AGCO Allis 9815 go?
Top speed is 40 km/h.
What are the dimensions of the AGCO Allis 9815?
5,080 mm × 2,489 mm × 3,073 mm.
When was the AGCO Allis 9815 built?
Production years: 1994–1998.
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Check the weights in the papers against the figures here — attachments change them.
- Check front and rear tyre sizes: mismatched pairs strain the drivetrain.
- Shift the gearbox cold and warm — jumps only show up at temperature.
- Load the hydraulics and watch for sag.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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This page carries 33 individual figures for this model. They come from 3 recorded sources; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
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Tractor in 3D section
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